Automatic glue sprayer

The present invention relates to an automatic glue sprayer, comprising a spray gun positioning portion and a positioning portion; in the spray gun positioning portion, the left and right ends of a frame are each fixedly provided with an X-direction power shaft, an X moving beam slides on two sliding rods of the frame and is powered by the aid of the X-direction power shaft, a Y-direction power shaft is fixed on the X moving beam, a Y moving seat slides on sliding rods of the X moving beam, the Y moving beat is powered to slide by the aid of the Y-direction power shaft, a Z1 shaft is fixed to the Y moving seat through a cross beam, a Z2 shaft slides on the Y moving seat, and both the tail ends of the Z1 shaft and Z2 shaft are connected with a spray gun; in the positioning portion, a first transmission mechanism is rotationally and fixedly provided with a revolving disc, inner left and right ends of the revolving disc are each fixedly provided with a second transmission mechanism, and the second transmission me